durch
71 lines
1.7 KiB
Rust
71 lines
1.7 KiB
Rust
#![allow(non_upper_case_globals)]
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#![allow(non_camel_case_types)]
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#![allow(non_snake_case)]
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#[allow(dead_code)]
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mod c {
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include!("bindings.rs");
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}
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use std::ffi::{CStr, CString, IntoStringError};
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use thiserror::Error;
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#[derive(Error, Debug)]
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pub enum CpuCyclesError {
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#[error("Could not get cpu cycle count!")]
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CpuCycles,
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#[error("{source}")]
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StringError { source: IntoStringError },
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}
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pub fn cpucycles() -> Result<i64, CpuCyclesError> {
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if let Some(count) = unsafe { c::cpucycles.map(|f| f()) } {
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Ok(count)
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} else {
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Err(CpuCyclesError::CpuCycles)
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}
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}
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pub fn cpucycles_persecond() -> Result<i64, CpuCyclesError> {
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Ok(unsafe { c::cpucycles_persecond() })
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}
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pub fn cpucycles_implementation() -> Result<String, IntoStringError> {
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let implementation = unsafe { CString::from(CStr::from_ptr(c::cpucycles_implementation())) };
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Ok(implementation.into_string()?)
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}
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pub fn cpucycles_version() -> Result<String, IntoStringError> {
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let implementation = unsafe { CString::from(CStr::from_ptr(c::cpucycles_version())) };
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Ok(implementation.into_string()?)
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}
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#[cfg(test)]
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mod test {
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use crate::*;
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#[test]
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fn cpucycles_test() {
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let count = cpucycles();
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assert!(count.is_ok())
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}
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#[test]
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fn cpucycles_persecond_test() {
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let per_second = cpucycles_persecond();
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assert!(per_second.is_ok());
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}
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#[test]
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fn cpucycles_implementation_test() {
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let implementation = cpucycles_implementation();
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assert!(implementation.is_ok());
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}
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#[test]
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fn cpucycles_version_test() {
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let version = cpucycles_version();
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assert!(version.is_ok());
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}
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}
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